CVE-2026-94104: Nivocart

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

NivoCart through 2.4.0 contains an arbitrary file upload vulnerability in the File Manager multi() endpoint that fails to validate file extensions for new filenames or when chunks parameter is 2 or higher. Attackers with view-only back-office access can upload PHP files to the web-accessible image/data/ directory and execute them for remote code execution.

Affected products

• Nivocart Nivocart: up to and including 2.4.0

Published 2026-09-20. Last modified 2026-09-24.